Christian Von Oppen Books

Staat baut Stadt

By Harald Bodenschatz, Aljoscha Hofmann, Christian Von Oppen

Average: 0.00, 0 Ratings

Im Jahr 1920 war Berlin noch nicht einmal ein halbes Jahrhundert Deutschlands Hauptstadt. Jung, nicht überall beliebt, erst recht nicht allenthalben geschätzt. Das Groß-Berlin-Gesetz von 1920 schwi...

How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.